In mammals, lower jaw is called as

Options

A. Dentary
B. Maxilla
C. Premaxilla
D. Palatine

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the lower jaw in mammals.

2. **Identifying the Relevant Bone**: In mammals, the lower jaw is specifically referred to as the mandible.

3. **Characteristics of the Mandible**: The mandible is notable for being the only movable bone in the skull, allowing for functions such as chewing and speaking.

4. **Additional Information**: The mandible contains the alveolar bone, which houses the sockets for the roots of the teeth. This is important for dental health and function.

5. **Differentiating from Other Jaw Bones**: It is essential to distinguish the mandible from the maxilla, which is the upper jaw. The maxilla does not move in the same way that the mandible does.

6. **Conclusion**: Therefore, the correct answer to the question is that in mammals, the lower jaw is called the mandible.

**Final Answer**: The lower jaw in mammals is called the **mandible**.

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